diff --git a/pages/common/odps-auth.md b/pages/common/odps-auth.md
index d547f6dfa..433ccbeb2 100644
--- a/pages/common/odps-auth.md
+++ b/pages/common/odps-auth.md
@@ -1,10 +1,6 @@
 # odps auth
 
-> Manage authorities in ODPS (Open Data Processing Service).
-
-- Show authorities of a user:
-
-`show grants for {{user_name}};`
+> User authorities in ODPS (Open Data Processing Service).
 
 - Add a user to the current project:
 
@@ -14,14 +10,22 @@
 
 `grant {{action_list}} on {{object_type}} {{object_name}} to user {{user_name}};`
 
+- Show authorities of a user:
+
+`show grants for {{user_name}};`
+
 - Create a user role:
 
 `create role {{role_name}};`
 
+- Grant a set of authorities to a role:
+
+`grant {{action_list}} on {{object_type}} {{object_name}} to role {{role_name}};`
+
+- Describe authorities of a role:
+
+`desc role {{role_name}};`
+
 - Grant a role to a user:
 
 `grant {{role_name}} to {{user_name}};`
-
-- Grant a set of authorities to a user role:
-
-`grant {{action_list}} on {{object_type}} {{object_name}} to role {{role_name}};`